3- A company that makes Ethernet adapters is planning to expand its production facility at a cost of $1,000,000 one year from now. However, a contractor who needs work has offered to do the job for $800,000 provided the company will do the expansion now instead of 1 year from now. If the interest rate is 10% per year, how much of a discount is the company receiving? 9- Compare the interest earned by $5,000 for 4 years at 15% simple interest with that earned by the same amount for 4 years at 15% compounded annually. 10- For an interest rate of 10% compounded annually find: (a) How much can be loaned now if $2000 will be repaid at the end of 3 years? (b) How much will require 6 years to repay $50,000 loan made now